The family of stabbing victim Breck Bednar, from Caterham, has paid tribute to the 14-year-old.
The youngster was found dead in a flat in Grays, Essex, on Monday.
Breck was also a member of the air cadets at 135 Squadron in Batts Hill, Redhill, and a member of St. John's Church in Clareville Road, Caterham.
A post-mortem revealed he died from a knife wound to the neck.
Computer engineer Lewis Daynes, 18, is due to appear at Chelmsford Crown Court today charged with murder.
In a statement the family said: "He was a kind, intelligent, thoughtful boy with a good sense of humour.
"He was a dedicated student at St. Bede's School in Redhill and was extremely gifted in computing, electronics, and engineering.
"His three younger siblings knew him as a kind and loving older brother who always helped out by looking after them."
His family also described him as well-mannered, social and confident, and somebody who was always thoughtful and patient with his younger cousins.
"We are all in shock, and so grateful for the thoughts and prayers of friends and family at this difficult time," they added.
A family fund will be set up in Breck's memory to support computer literacy.
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